Please show work

Find the NPV and IRR of the project shown below. The cost of capital is 12%.

Periods 0 1-20

-$913 $100

Find the NPV and IRR of the following cash flows. The cost of capital is 12%.

Period 0 1 though 20

- $626 $100

Find the NVP and IRR for the following cash flows. The cost of capital is 10%.

Period 0 1 2 3 4

-$4,461 $1,000 $2,000 $1,000 $2,000

Find the NVP and IRR of the project shown below. The cost of capital is 12%.

Periods 0 1 2 3

-$4,354 $1,000 $2,000 $3,000